Pecar, Joseph A <br/><br/>
The McGraw-Hill telecommunications factbook 
Joseph A. Pecar, Roger J. O'Connor, David A. Garbin 
 - New York  McGraw-Hill  1993 
 - x, 373 p. : ill. ; 24 cm. 
<br/><br/>p. 365-366 
<br/><br/><label>ISBN: </label>0070491836  RM88.32 
<br/><br/><label>LCCN: </label>92-24340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication